Portion of a game controller



FIG. 1 is a front perspective view of a portion of a game controller showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a bottom view thereof.

The unshaded broken line showing of the connector region in FIGS. 1 and 5 forms no part of the claimed design. The broken line showing the remainder of the game controller is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a game controller, as shown and described. 